Destroy All Humans! 2 (Original Xbox) on Xbox 360? Not Backward Compatible
No.Destroy All Humans! 2 for the original Xbox is not backward compatible with Xbox 360.
Why It Doesn't Work
Different Architecture: Original Xbox (x86, NVIDIA GPU) vs. Xbox 360 (PowerPC tri-core, ATI GPU). No hardware similarity.
Software Emulation Only: Xbox 360 BC relied on per-title software emulators. Microsoft developed emulators for ~600 titles—Destroy All Humans! 2 was not among them.
Disc Incompatibility: Xbox 360 drive cannot read original Xbox discs in a way that triggers emulation for non-BC titles.
How to Play It Today
Original Xbox: Disc + working console.
PC (GOG / Steam):Destroy All Humans! 2 - Reprobed (2022 remake) is on PC/PS5/Series X. The original 2006 PC port is on GOG (often fixed for modern Windows).
Xbox Emulation (Xenia / CXBX-Reloaded): Experimental, high-end PC required, legal gray area (BIOS dump needed).
The 360 won't run it. The remake on modern platforms is your best experience.